CN205957884U - A axiality measuring apparatus that is used for floating vertical ship lift shaft steel lining of water conservancy to install - Google Patents
A axiality measuring apparatus that is used for floating vertical ship lift shaft steel lining of water conservancy to install Download PDFInfo
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- CN205957884U CN205957884U CN201620960862.3U CN201620960862U CN205957884U CN 205957884 U CN205957884 U CN 205957884U CN 201620960862 U CN201620960862 U CN 201620960862U CN 205957884 U CN205957884 U CN 205957884U
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- steel lining
- shaft steel
- vertical shaft
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- connecting rod
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Abstract
The utility model provides an axiality measuring apparatus that is used for floating vertical ship lift shaft steel lining of water conservancy to install, fixed orifice plates install on the design center of steel lining bottom plate, and float, clamp plate and connecting rod are connected the whole afrerdischarge of formation and is arranged in the keg float, the work platform body group that it has the multilayer to interconnect to detect work platform becomes, and in the work platform body, 16 double -screw bolt ejector pin one end that are divided into circumference etc. 16 partitions are connected with the center bearing bracket, and the inner wall that the other end and shaft steel lining saved matches. The utility model provides a pair of an axiality measuring apparatus that is used for floating vertical ship lift shaft steel lining of water conservancy to install, it is big to solve work load, and problem that the precision is not high, reduces the detection achievement volume, accelerates the construction progress easy operation, convenience, and the detection precision that can reach more than the range 50m is not more than 0.5mm.
Description
Technical field
This utility model is related to hydraulic vertical ship lift equipment installing area, especially a kind of vertical for hydraulic-floating
The axiality measuring apparatus that straight ship lift vertical shaft steel lining is installed.
Background technology
Jinghong Hydroelectric Power Project hydraulic vertical ship lift is a kind of new ship lift that China has independent intellectual property rights, its drive
Dynamic using dam water levels of upstream and downstream difference as power, the potential energy of water is switched to mechanical energy, drives that ship reception chamber lifting is vertical to be run, 16
Set floating drum balance weight realizes full balance with the water in certain depth of immersion corresponding vertical shaft steel lining of immersion with ship reception chamber weight, erects
Water level in well steel lining reduces or raises, then, floating drum balance weight corresponding downlink or uplink in vertical shaft steel lining, by mechanical lifting
Equipment synchronous axial system, the corresponding upstream or downstream of ship reception chamber.Floating drum balance weight total height 19m, vertical shaft steel lining total height 52.5m, float
Cylinder balance weight top is provided with 4 symmetrical directive wheels, is only 10mm apart from vertical shaft steel lining inwall gap, vertical shaft steel lining is floating
The vertical region run of cylinder balance weight, floating drum balance weight is vertically run in vertical shaft steel lining, must not have scraping phenomenon, otherwise, will
The normal operation of impact ship lift.Therefore, vertical shaft steel lining is the important feature of ship elevator, and its installation quality determines hydraulic
The success or failure of ship lift.Vertical shaft steel lining belongs to super high thin wall major diameter vertical shaft steel lining tubular type pre-buried structure, is Waterpower type ship elevator
Exclusive structure, is not also similar to hydroelectric project at home and adopts.
Vertical shaft steel lining well casing total height 52.5m, point 17 sections are buried with storehouse, and overall perpendicularity, axiality are not more than 10mm, circle
Degree is not more than ± 5mm；It has been designed with Machining Technology index, the detection of its installation quality index, in building-site, uncomfortable
Close by the way of setting up corresponding measuring instrumentss, conventional sense technology adopts the detection mode of vertical frontal line method messenger wire pendant to carry out peace
Dress job execution, often mounts a section steel lining tube coupling, will hang once vertical wire, and base foundation tube coupling benchmark adjusts steel wire
Line center, then detect axiality index on the basis of wire, repeat to place vertical frontal line and oil drum, not only waste the activity duration,
And the duplicate reading error measuring is greatly, it is also easy to produce cumulative errors, the workload of this conventional detection mode is big, precision
Not high, vertical shaft steel lining final mass certainly will be affected.
Utility model content
Technical problem to be solved in the utility model is to provide one kind to be used for hydraulic-floating vertical ship lift vertical shaft steel
The axiality measuring apparatus that lining is installed, can solve workload greatly, the not high problem of precision, simple, convenient, minimizing detection work
Measure, accelerate construction speed, the accuracy of detection that can reach more than range 50m is not more than 0.5mm.
For solving above-mentioned technical problem, this utility model be employed technical scheme comprise that：A kind of vertical for hydraulic-floating
The axiality measuring apparatus that straight ship lift vertical shaft steel lining is installed, fixing orifice plate is arranged on the design centre of steel lining base plate, fixing hole
On plate, center offers location hole, and the central datum line being wrapped on reel passes through the positioning on fixing orifice plate from below to up
The connecting rod of Kong Houyu keg float device is fixedly connected, and connecting rod is arranged on first section vertical shaft steel lining section to be installed or follow-up vertical shaft steel lining section
Centre position between upper orifice two measurement bracket, in keg float device, keg float is arranged in two measurement bracket and is located at two measurements
In the middle of support, float passes through the bolt connection of pressing plate and small end, and float, pressing plate and connecting rod are positioned over after connecting formation entirety
In keg float；
It is disposed with surveyors' staff in first section vertical shaft steel lining section to be installed or follow-up vertical shaft steel lining section.
Anti- airduct is installed below connecting rod, the Center-to-Center datum line of anti-airduct overlaps.
A kind of coaxality measurement installed for hydraulic-floating vertical ship lift vertical shaft steel lining that this utility model provides
Instrument, simple, convenient, minimizing detects workload, accelerates construction speed, and the accuracy of detection reaching more than range 50m is little
In 0.5mm it is ensured that the vertical degree in the well casing formula vertical shaft steel lining matching center of the thin major diameter of superelevation wall is not more than 10mm, steel lining inwall
Axiality is not more than 10mm, is that the normal operation of Jinghong Waterpower type ship elevator floating drum balance weight lays the foundation.
Jinghong Waterpower type ship elevator superelevation major diameter vertical shaft steel lining totally 16 hole, left and right two axis, each 8 vertical shaft steel linings
Section, is distributed in holohedral symmetry, vertical shaft steel lining section internal diameter Φ 6.5m, wall thickness 16mm, the high 3m of single-unit, always high 52.5m, and a phase is buried with storehouse
Install.End liner elevation EL542.0m, the dam structure of the ship lift monolith being provided using owner controls measurement looped network reference stake point,
Using total powerstation end liner plane measuring vertical shaft well casing group installation center point, vertical shaft steel lining section on the basis of this central point,
First section vertical shaft steel lining section is installed on end liner, with the follow-up tube coupling of storehouse Embedment and installation, is attached to epimerite section by section, in base section, middle node
In (randomly drawing) and epimerite installation process, with the same way of base point of installation measuring and same datum stake point, perpendicular to each
The measuring instrument float center position of well steel lining section is monitored, and the reversed pendulum position deviation of each well casing mounting axis is all little
In 2mm, in the whole installation of vertical shaft well casing steel lining, after casting concrete after achievement of inspecting for acceptance show：Vertical shaft steel lining center
Misalignment of axe is not more than 2mm, and vertical shaft steel lining inwall axiality is not more than 7.5mm, overall vertical shaft steel lining inwall roundness measurement ±
Within 5mm, the vertical degree of inwall four direction, no more than 5mm, reaches the good criteria of design objective, has ensured Jinghong hydraulic
The high-quality and high-efficiency of ship lift vertical shaft steel lining installs the stable operation with floating drum balance weight.
Brief description
The utility model is described in further detail with reference to the accompanying drawings and examples：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the front view of detection operation platform in this utility model embodiment；
Fig. 3 is the top view of detection operation platform in this utility model embodiment；
Fig. 4 be on each detection section in this utility model embodiment method the distribution schematic diagram of 16 measuring points and the Ith,
IIth, III, IV quadrant；
The A-A for this utility model Fig. 4 for the Fig. 5 detects dividing of sections to sectional view, as can be seen from Figure a, b, c, d tetra-
Cloth；
Fig. 6 is that in this utility model embodiment method, second section vertical shaft steel lining section lifts to above first section vertical shaft steel lining, also
The schematic diagram that undone measuring instrument is installed；
Fig. 7 is that in this utility model embodiment method, second section vertical shaft steel lining section lifts to above first section vertical shaft steel lining, complete
Become the schematic diagram that measuring instrument is installed.
Specific embodiment
Embodiment one
As Figure 1-3, a kind of axiality measuring apparatus installed for hydraulic-floating vertical ship lift vertical shaft steel lining, Gu
Determine orifice plate 1 to be arranged on the design centre of steel lining base plate 2, on fixing orifice plate 1, center offers location hole, is wrapped in reel
Central datum line 4 on 3 is fixedly connected with the connecting rod 8 of keg float device after passing through the location hole fixed on orifice plate 1 from below to up, even
During bar 8 is arranged between first section vertical shaft steel lining section 12 to be installed or follow-up vertical shaft steel lining section 13 upper orifice two measurement bracket 7
Between position, in keg float device, keg float 11 be arranged in two measurement bracket 7 and be located at two measurement bracket 7 in the middle of, float 10 pass through pressure
Plate 9 and the bolt connection of connecting rod 8 upper end, are positioned in keg float 11 after float 10, pressing plate 9 and connecting rod 8 connection formation entirety.
It is disposed with surveyors' staff 5 in first section vertical shaft steel lining section 12 to be installed or follow-up vertical shaft steel lining section 13.
Anti- airduct 6 is installed below connecting rod 8, the Center-to-Center datum line 4 of anti-airduct 6 overlaps.
Pressing plate 9 is circular pressing plate.
Keg float bottom of device need to exceed vertical shaft steel lining section mouth of pipe 250-350mm, preferably 300mm.
The operation horizontal stage body 14 that detection operation platform is interconnected by multilamellar forms, in operation horizontal stage body 14, by circumference etc.
16 stud push rod 15 one end being divided into 16 deciles are connected with center bearing bracket 16, and the other end is matched with the inwall of vertical shaft steel lining section
Close.
Operation horizontal stage body 14 upper surface is equipped with springboard and steel wire 18.
Embodiment two
As shown in figs. 4-7, to carry out hydraulic-floating using above-mentioned axiality measuring apparatus and detection operation platform vertical for one kind
Coaxiality detecting method in the installation of ship lift vertical shaft steel lining, the method comprises the following steps：
Step 1：Measuring instrument arrangement on first section vertical shaft steel lining section 12：Before first section vertical shaft steel lining section 12 is installed, in steel lining base plate 2
On be welded and fixed orifice plate 1, with total powerstation in fixing orifice plate 1 center measuring installation center point, heart point boring in an installation, volume
Cylinder 3 is positioned over below fixing orifice plate 1, and the first section vertical shaft steel lining section 12 that inside is provided with detection operation platform lifts to steel substrate
On plate 2, the upper orifice of first section vertical shaft steel lining section 12 places two measurement bracket 7, the center of two measurement bracket 7 is placed with
Keg float device, the central datum line 4 that reel 3 is wound around passes from location hole, twines with the bolt of connecting rod 8 bottom of keg float device
Around and compress, adjustment connecting rod 8 top nut, tentatively tighten up central datum line 4, be filled to corresponding buoyancy groove into keg float 8
Position, the nut adjusting connecting rod 8 top again makes central datum line 4 meet pulling tension requirements；Check the reset error essence of float 10
Degree meets requirement, and measuring instrument arrangement completes, you can carry out measurement operation；
Step 2：By the use of detection operation platform as measurement operation platform；First section vertical shaft steel lining is measured by surveyors' staff 5
Save the size of 12 inwall distance center datum lines 4, record reading, carry out variance analyses；
Step 3：Detection operation Platform Designing in first section vertical shaft steel lining section 12 is by the work of at least four layers of interconnection
The job platform of industry platform body 14 composition, the spacing distance between every layer of operation horizontal stage body 14 is not more than 0.75m, every layer of operation horizontal
The inwall that 16 stud push rods 15 of stage body 14 push against first section vertical shaft steel lining section 12 forms tetra- detection sections of a, b, c, d, 16
Stud push rod 15 forms uniformly symmetrical 16 in edge first section vertical shaft steel lining section 12 center with the contact point of vertical shaft steel lining section 12 inwall
Measuring point, according to the measurement data of each 16 measuring point of layer, calculates matching centre deviation and the angle of deviation of section vertical shaft steel lining section 12 of informing against
Degree, by matching centre deviation value, angle and direction, takes mounting and adjusting measure until axiality meets quality index and requires,
Complete the detection of first section vertical shaft steel lining section 12；
Step 4：The arrangement of measuring instrument on second section vertical shaft steel lining section 17：Inside is provided with the second of detection operation platform
Section vertical shaft steel lining section 17 lifts to first section vertical shaft steel lining section 12, takes the connection of connecting rod 8 and float 10 apart, by measurement bracket 7, floats
Barrel is transferred on the mouth of pipe of second section vertical shaft steel lining section 17, and connecting rod 8 is again coupled to float 10, meanwhile, rotating drum 3
Release central datum line 4；The nut at adjustment connecting rod 8 top makes central datum line 4 meet pulling tension requirements again；Check float 10
Reset error precision meets requirement,：On second section vertical shaft steel lining section 17, measuring instrument arrangement completes, you can carry out measurement operation；
Step 5：By the use of detection operation platform as measurement operation platform；Second section vertical shaft steel is measured by surveyors' staff 5
The size of lining section 17 inwall distance center datum lines 4, records reading, carries out variance analyses；
Step 6：Detection operation Platform Designing in second section vertical shaft steel lining section 17 is by least four layers of interconnection
The job platform of operation horizontal stage body 14 composition, the spacing distance between every layer of operation horizontal stage body 14 is not more than 0.75m, every layer of operation
The inwall that 16 stud push rods 15 of platform body 14 push against second section vertical shaft steel lining section 17 forms tetra- detection sections of a, b, c, d,
16 stud push rods 15 are uniformly symmetrical along second section vertical shaft steel lining section 17 centers with the contact point formation of vertical shaft steel lining section 12 inwall
16 measuring points, according to the measurement data of each 16 measuring point of layer, calculate the matching centre deviation of second section vertical shaft steel lining section 17
And misalignment angle, by matching centre deviation value, angle and direction, take mounting and adjusting measure until axiality meets quality and refers to
Mark requires,
Complete the detection of second section vertical shaft steel lining section 17；
Step 6：Repeat the above steps 4-6. are until complete the installation of all vertical shaft steel lining sections.
The reset error of axiality detection is not more than 0.5mm, vertical shaft steel lining height to be installed in 30m below using straight
Footpath is the central datum line 4 of 0.75mm, and vertical shaft steel lining height to be installed adopts the center base of a diameter of 1.0mm in more than 30m
Directrix 4.
In step 3 and 5, matching centre deviation and misalignment angle computing formula are：
1. matching centre deviation computing formula：
In formula：
α=[R9-R1+0.383(R6+R12-R4-R14)+0.707(R7+R11-R3-R15)+0.924(R8+R10-R2-R16)]^2+
[R5-R13+0.383(R2+R8-R10-R16)+0.707(R7+R3-R11-R15)+0.924(R6+R4-R12-R14)]^2
2. misalignment angle formula：
=arctg β
In formula：
β=[R9-R1+0.383(R6+R12-R4-R14)+0.707(R7+R11-R3-R15)+0.924(R8+R10-R2-R16)]/
[R5-R13+0.383(R2+R8-R10-R16)+0.707(R7+R3-R11-R15)+0.924(R6+R4-R12-R14)]
3. walking direction：
Y=[R9-R1+0.383(R6+R12-R4-R14)+0.707(R7+R11-R3-R15)+0.924(R8+R10-R2-R16)]
As y ＞ 0, drift angle is in the I, the II quadrant；As y ＜ 0, drift angle is in the III, the IV quadrant；
Fitting formula application note：
It is 1# point that 1～16 measuring point typically presses vertical shaft steel lining upstream center point of contact, numbers clockwise；I, II quadrant is upstream
Side；III, IV quadrant is downstream.
Matching central point is in the polar coordinate position with reversed pendulum as initial point：
As y ＞ 0, drift angle is in I, II quadrant；
It is in the upstream side of the coordinate that reversed pendulum is initial point, misalignment angle：arctg(β)∈【0～π】；Matching center is inclined
Difference：
As y ＜ 0, drift angle is in III, IV quadrant；
It is in the downstream of the coordinate that reversed pendulum is initial point, misalignment angle：arctg(β)∈【0～π】；Matching center is inclined
Difference：
According to the deviation of matching center polar coordinate position, adjust matching central valueMeet centre deviation to conform to
Ask.
Wherein R1-R16After on each layer operation horizontal stage body 14,16 stud push rods 15 are pushed against with vertical shaft steel lining section 12 inwall
Length.
Central datum line 4 is reversed pendulum.
Detection operation platform it is believed that being vertical shaft steel lining activity inner support frame installation measure, with traditional inner support and pipe
The mode that wall is welded and fixed is different, and using 4 layers of operation horizontal stage body 14, every layer of operation horizontal stage body 14 adjusts round top rod group by 16 limb studs
Become, every layer of operation horizontal stage body 14 upper surface lays springboard and steel wire, the job platform detecting as central datum line 4, every layer
Operation horizontal stage body 14 adopts inner support connecting rod 19, in symmetrical 4 direction bolt connections, recycling easy to disassemble, the work of top layer
Industry platform body 14 is provided with 4 hooks 20, is mounted on vertical shaft steel lining section tube wall to be installed, just lifts with every section vertical shaft steel lining section
Position, lower floor's vertical shaft steel lining section pours receipts storehouse face and is less than upper orifice 1.5m, therefore, only dismantles in lower floor's vertical shaft steel lining section during dismounting
Pour partly corresponding operation horizontal stage body 14,2 layers of operation horizontal stage body 14 of upper orifice adnexa are not dismantled, in upper strata vertical shaft steel lining section
When lifting in place, the operation horizontal stage body 14 in vertical shaft steel lining section below is connected with the operation horizontal stage body 14 in the vertical shaft steel lining section of upper strata
Connect, measurement bracket 7 moved on to the upper orifice of upper strata vertical shaft steel lining section simultaneously, central datum line 4 pass through connecting rod 8 again with keg float 11
Interior float 10 connects, and presses technical requirements tensioning again, carries out mounting and adjusting and the detection of upper strata vertical shaft steel lining section.
Storm shutter and anti-airduct 6 are adopted on device with float, and adds a small amount of lightweight oil type liquid medium, can effectively reduce
Measurement error, the center of anti-airduct 6 should consistent with central datum line 4 it is ensured that central datum line 4 has enough displacements empty in pipe
Between.
Claims (3)
1. a kind of for hydraulic-floating vertical ship lift vertical shaft steel lining install axiality measuring apparatus it is characterised in that：Fixing
Orifice plate（1）It is arranged on steel lining base plate（2）Design centre on, fixing orifice plate（1）Upper center offers location hole, is wrapped in
Reel（3）On central datum line（4）Pass through fixing orifice plate from below to up（1）On location hole after connecting rod with keg float device
（8）It is fixedly connected, connecting rod（8）It is arranged on first section vertical shaft steel lining section to be installed（12）Or follow-up vertical shaft steel lining section（13）Upper orifice
Two measurement bracket（7）Between centre position, in keg float device, keg float（11）It is arranged on two measurement bracket（7）Go up and be located at two
Measurement bracket（7）Centre, float（10）By pressing plate（9）With connecting rod（8）The bolt connection of upper end, float（10）, pressing plate（9）With
Connecting rod（8）Connect and be positioned over keg float after forming entirety（11）Interior.
2. a kind of coaxality measurement installed for hydraulic-floating vertical ship lift vertical shaft steel lining according to claim 1
Instrument it is characterised in that：First section vertical shaft steel lining section to be installed（12）Or follow-up vertical shaft steel lining section（13）Inside it is disposed with surveyors' staff
（5）.
3. a kind of coaxality measurement installed for hydraulic-floating vertical ship lift vertical shaft steel lining according to claim 1
Instrument it is characterised in that：Connecting rod（8）Lower section is provided with anti-airduct（6）, anti-airduct（6）Center-to-Center datum line（4）Overlap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620960862.3U CN205957884U (en) | 2016-08-26 | 2016-08-26 | A axiality measuring apparatus that is used for floating vertical ship lift shaft steel lining of water conservancy to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620960862.3U CN205957884U (en) | 2016-08-26 | 2016-08-26 | A axiality measuring apparatus that is used for floating vertical ship lift shaft steel lining of water conservancy to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205957884U true CN205957884U (en) | 2017-02-15 |
Family
ID=57979783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620960862.3U Expired - Fee Related CN205957884U (en) | 2016-08-26 | 2016-08-26 | A axiality measuring apparatus that is used for floating vertical ship lift shaft steel lining of water conservancy to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205957884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869946A (en) * | 2017-11-08 | 2018-04-03 | 武汉船用机械有限责任公司 | A kind of measurement apparatus and measuring method of tube structure concentricity |
-
2016
- 2016-08-26 CN CN201620960862.3U patent/CN205957884U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869946A (en) * | 2017-11-08 | 2018-04-03 | 武汉船用机械有限责任公司 | A kind of measurement apparatus and measuring method of tube structure concentricity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170215 Termination date: 20180826 |
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| CF01 | Termination of patent right due to non-payment of annual fee |